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  • Committer: Package Import Robot
  • Author(s): Steve M. Robbins
  • Date: 2012-02-26 00:31:44 UTC
  • Revision ID: package-import@ubuntu.com-20120226003144-eaytp12cbf6ubpms
Tags: upstream-1.49.0
Import upstream version 1.49.0

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libs/mpl/doc/refmanual/greater.html
 
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<?xml version="1.0" encoding="utf-8" ?>
 
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 
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<head>
 
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 
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<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" />
 
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<title>The MPL Reference Manual: greater</title>
 
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<link rel="stylesheet" href="../style.css" type="text/css" />
 
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</head>
 
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<body class="docframe refmanual">
 
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<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./less-equal.html" class="navigation-link">Prev</a>&nbsp;<a href="./greater-equal.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./less-equal.html" class="navigation-link">Back</a>&nbsp;<a href="./greater-equal.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./comparisons.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
 
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<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./metafunctions.html" class="navigation-link">Metafunctions</a> / <a href="./comparisons.html" class="navigation-link">Comparisons</a> / <a href="./greater.html" class="navigation-link">greater</a></td>
 
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</tr></table><div class="header-separator"></div>
 
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<div class="section" id="greater">
 
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<h1><a class="toc-backref" href="./comparisons.html#id1545">greater</a></h1>
 
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<div class="section" id="id1032">
 
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<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
 
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<pre class="literal-block">
 
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template&lt;
 
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      typename T1
 
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    , typename T2
 
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    &gt;
 
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struct <a href="./greater.html" class="identifier">greater</a>
 
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{
 
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    typedef <em>unspecified</em> type;
 
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};
 
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</pre>
 
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</div>
 
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<div class="section" id="id1033">
 
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<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
 
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<p>Returns a true-valued <a class="reference internal" href="./integral-constant.html">Integral Constant</a> if <tt class="literal"><span class="pre">T1</span></tt> is greater than <tt class="literal"><span class="pre">T2</span></tt>.</p>
 
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</div>
 
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<div class="section" id="id1034">
 
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<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
 
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<pre class="literal-block">
 
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#include &lt;<a href="../../../../boost/mpl/greater.hpp" class="header">boost/mpl/greater.hpp</a>&gt;
 
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#include &lt;<a href="../../../../boost/mpl/comparison.hpp" class="header">boost/mpl/comparison.hpp</a>&gt;
 
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</pre>
 
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</div>
 
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<div class="section" id="id1035">
 
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<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
 
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<p><a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a></p>
 
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</div>
 
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<div class="section" id="id1036">
 
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<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
 
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<table border="1" class="docutils table">
 
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<colgroup>
 
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<col width="17%" />
 
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<col width="30%" />
 
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<col width="53%" />
 
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</colgroup>
 
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<thead valign="bottom">
 
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<tr><th class="head">Parameter</th>
 
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<th class="head">Requirement</th>
 
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<th class="head">Description</th>
 
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</tr>
 
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</thead>
 
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<tbody valign="top">
 
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<tr><td><tt class="literal"><span class="pre">T1</span></tt>, <tt class="literal"><span class="pre">T2</span></tt></td>
 
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<td><a class="reference internal" href="./integral-constant.html">Integral Constant</a></td>
 
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<td>Operation's arguments.</td>
 
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</tr>
 
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</tbody>
 
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</table>
 
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<p>[<em>Note:</em> The requirements listed in this specification
 
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are the ones imposed by the default implementation. See <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a> concept
 
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for the details on how to provide an implementation for a user-defined numeric type
 
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that does not satisfy the <a class="reference internal" href="./integral-constant.html">Integral Constant</a> requirements. — <em>end note</em>]</p>
 
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</div>
 
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<div class="section" id="id1037">
 
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<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
 
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<p>For any <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s <tt class="literal"><span class="pre">c1</span></tt> and <tt class="literal"><span class="pre">c2</span></tt>:</p>
 
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<pre class="literal-block">
 
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typedef <a href="./greater.html" class="identifier">greater</a>&lt;c1,c2&gt;::type r;
 
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</pre>
 
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<table class="docutils field-list" frame="void" rules="none">
 
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<col class="field-name" />
 
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<col class="field-body" />
 
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<tbody valign="top">
 
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<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
 
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</td>
 
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</tr>
 
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<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
 
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<pre class="last literal-block">
 
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typedef <a href="./bool.html" class="identifier">bool_</a>&lt; (c1::value &lt; c2::value) &gt; r;
 
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</pre>
 
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</td>
 
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</tr>
 
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</tbody>
 
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</table>
 
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<!-- .......................................................................... -->
 
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<pre class="literal-block">
 
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typedef <a href="./greater.html" class="identifier">greater</a>&lt;c1,c2&gt; r;
 
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</pre>
 
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<table class="docutils field-list" frame="void" rules="none">
 
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<col class="field-name" />
 
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<col class="field-body" />
 
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<tbody valign="top">
 
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<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
 
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</td>
 
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</tr>
 
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<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
 
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<pre class="last literal-block">
 
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struct r : <a href="./greater.html" class="identifier">greater</a>&lt;c1,c2&gt;::type {};
 
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</pre>
 
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</td>
 
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</tr>
 
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</tbody>
 
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</table>
 
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</div>
 
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<div class="section" id="id1038">
 
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<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
 
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<p>Amortized constant time.</p>
 
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</div>
 
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<div class="section" id="id1039">
 
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<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
 
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<pre class="literal-block">
 
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<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./greater.html" class="identifier">greater</a>&lt; <a href="./int.html" class="identifier">int_</a>&lt;10&gt;, <a href="./int.html" class="identifier">int_</a>&lt;0&gt; &gt; ));
 
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<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./greater.html" class="identifier">greater</a>&lt; <a href="./long.html" class="identifier">long_</a>&lt;0&gt;, <a href="./int.html" class="identifier">int_</a>&lt;10&gt; &gt; ));
 
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<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./greater.html" class="identifier">greater</a>&lt; <a href="./long.html" class="identifier">long_</a>&lt;10&gt;, <a href="./int.html" class="identifier">int_</a>&lt;10&gt; > ));
 
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</pre>
 
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</div>
 
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<div class="section" id="id1040">
 
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<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
 
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<p><a class="reference internal" href="./comparisons.html">Comparisons</a>, <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a>, <a class="reference internal" href="./numeric-cast.html">numeric_cast</a>, <a class="reference internal" href="./greater-equal.html">greater_equal</a>, <a class="reference internal" href="./less.html">less</a>, <a class="reference internal" href="./equal-to.html">equal_to</a></p>
 
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<!-- Metafunctions/Comparisons//greater_equal |40 -->
 
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</div>
 
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</div>
 
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<div class="footer-separator"></div>
 
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<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./less-equal.html" class="navigation-link">Prev</a>&nbsp;<a href="./greater-equal.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./less-equal.html" class="navigation-link">Back</a>&nbsp;<a href="./greater-equal.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./comparisons.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
 
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<td><div class="copyright-footer"><div class="copyright">Copyright ©  2001-2009 Aleksey Gurtovoy and David Abrahams</div>
 
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Distributed under the Boost Software License, Version 1.0. (See accompanying
 
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file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body>
 
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</html>